Articles about linux | UserComp.com

Locking User Accounts with Sudo Commands Without Rebooting: A Use Case for Linux Desktop

Learn how to lock user accounts on a Linux desktop using sudo commands without the need for a reboot. This can be useful in various use cases such as logging in to a desktop and starting a script that takes a long time to execute.

NGINX in Docker Containers Service on Linux Server: An Overview

Learn about deploying NGINX in Docker containers service on a Linux server. This article covers setting up a Docker Compose service with an exposed port, such as 12345, and covers the basics of using NGINX in a Docker environment.

Using Shift Key with XCompose File on Linux

The user is having trouble using the Shift key with the XCompose file on Linux. They have added custom key sequences but it's not working as expected. In this article, we will provide some solutions to help you use the Shift key with XCompose on Linux.

Dropbox Not Automatically Updating on Ubuntu: How to Update Manually

If you're using Dropbox on Ubuntu and your old laptop doesn't turn on frequently, you might see a message saying 'You're using an old version of Dropbox. Please update to the latest version...'. This article provides a solution to manually update Dropbox on Linux.

Discovering the Number of Noto Sans Fonts Installed

Learn how to find out the number of Noto Sans fonts installed on your Linux system using the terminal. This quick guide provides a step-by-step process to list and count the Noto Sans font files, making it easy to manage your font libraries.

Creating a Scheduled Task with One-Minute Interval: A Tech Support Guide

Learn how to create a scheduled task that runs every minute using PowerShell (not recommended) and the recommended method using cmd in this tech support article. Keep reading...

Getting Started with gm-drawtext in Debian: Troubleshooting gmconvert font errors

This article provides a solution to the error encountered when using gmconvert with gm-drawtext in Debian systems, specifically related to font files not being found.

Solving Read Timeout Error while Synchronizing Modules in Recon-ng on Kali Linux

In this article, we will discuss how to troubleshoot and solve the 'unable to synchronize module' read timeout error message while using Recon-ng on Kali Linux. We will cover some possible solutions, such as disabling IPv6 and increasing the read timeout limit.

Extract Filenames from dpkg Package: A Guide for Tech Support

Learn how to extract filenames from a dpkg package using the dpkg-X command. This guide is focused on the xserver-xorg-input-libinput_1.4.0-1_amd64.deb package and provides a step-by-step process for tech support professionals. Make the most of your tech support skills with this SEO-optimized article.

Fixing VIMRUNTIME Path Points to Wrong Username in WSL2/Linux after Changing Username

In this tech support article, we will discuss how to fix the VIMRUNTIME path pointing to the wrong username in WSL2/Linux after changing the username. This issue can cause problems when using Vim in WSL2/Linux, and this guide will help you resolve it. If you have recently changed your username in WSL2/Linux and are experiencing issues with Vim, this article is for you.

Configuring Iptables Rules to Allow Outgoing DNS Lookups: A Comprehensive Guide

Fed up with configuration issues related to allowing browse with iptables rules? Our guide covers iptables-tfilter-AOUTPUT and iptables-tfilter-AINPUT rules, focusing on enabling outgoing DNS lookups. Follow our steps for a smoother network experience.

How to Ensure USB Device Mounts as Mass Storage on Linux

Having trouble mounting a USB device as mass storage on your Linux machine? Here are some steps you can take to ensure proper mounting and access to your USB device.

Installing Two WSL Instances (Non-C Drive Point Instance) - Tech Support

Learn how to install two instances of WSL (Windows Subsystem for Linux) on your system, specifically a non-C drive point instance for Ubuntu 20.04 and 22.04.

Protective DNS Service Blocking Site: How to Stop It?

Learn how to deal with a protective DNS service blocking your website on various devices. Follow these steps to stop the issue.

Opening Second Teamswindow in Linux using WebApp: A Windows Alternative

Learn how to open a second Teamswindow in Linux using a WebApp as an alternative to the Windows application.

Mount Doesn't Appear in /etc/fstab for df-hserver (Red Hat 9.4)

This article provides a solution for the issue where certain mounts do not appear in the /etc/fstab file for a df-hserver (Red Hat 9.4) system.

Resolving Missing Metadata in Large Video Files

Learn how to resolve missing metadata in large video files using various tools like FFprobe and FileBot. This article provides step-by-step instructions for different operating systems.

Unable to Format RAW microSD Card: A Cross-Platform Solution

Learn how to solve the issue of an unreadable or RAW-formatted microSD card on both Windows and MacOS systems. This article provides a step-by-step guide to help you recover your data and format the card.

Setting Public Computers to Restart After Idle Time (10-15 minutes)

Learn how to set public computers to restart automatically after being idle for a specified period (10-15 minutes) using Task Scheduler on Windows, cron jobs on Linux, or Automator on MacOS.

Do Screenshot Permissions Work Differently in Wayland?

Explore the security model of Wayland and how it affects screenshot tools like 'grim' and others. Learn about the differences in screenshot permissions in Wayland compared to traditional systems.

SSH Credentials Added Twice: Unable to Remote Connect via SSH on Ubuntu

This article explains the issue of SSH credentials being added twice on an Ubuntu machine, preventing successful remote connections. It covers potential causes and solutions for this problem.

Understanding Security Layers: LSMs vs. Flatpak in Linux Application Sandboxing

Learn about the differences between LSMs and Flatpak in Linux application sandboxing. Get a better understanding of security layers and how they interact with applications and containers.

Installing htop and using nohup for long-running SSH sessions on Intel-based QNAP NAS (QTS 5.1+)

Learn how to install htop, a handy interactive process viewer, and use nohup for long-running SSH sessions on your Intel-based QNAP NAS running QTS 5.1 or later. Improve your productivity while managing background processes efficiently.

Restarting Systemd Services Dependencies: A Tech Support Guide

Learn how to restart Systemd services and their dependencies when one service takes too many tries to start. This guide focuses on services configured with Restart=on-failure and Requires= in the .service file.

Using HDMI Port on HP Envy 23 All-In-One

Learn how to use the HDMI port on your HP Envy 23 All-In-One for optimal monitor performance.

Two CentOS Devices with IP Addresses in the Same Subnet Cannot Ping Each Other's MAC Address

Two CentOS devices with IP addresses in the same subnet cannot ping each other's MAC addresses. This issue might be caused by various factors such as firewall rules, incorrect network configurations, or hardware problems. In this article, we will discuss some possible solutions to help you troubleshoot and resolve this issue.

Drawing Sessions Remotely with fbterm: A Comprehensive Guide

Learn how to use fbterm to draw sessions remotely on Linux systems. This guide covers starting fbterm with stdin tied to /dev/ttyN and using strstr for interactive framebuffer sessions.

Downloading a Single HTML File: wget and usepagetitle instead of index.html

Learn how to download a single HTML file using wget and the usepagetitle option instead of the default index.html.

SSH Permission Denied on Port 22: Home Lab Server Issue

A home lab server running Ubuntu 24.04 LTS recently denied SSH access from a laptop running Windows 10. This article outlines the steps to set up an SSH server on the laptop and troubleshoot the permission denied error on port 22.

No Java Runtime Found Error in TripleA on Linux Mint 22

This article explains how to resolve the 'No Java Runtime Found' error encountered when installing TripleA using the apt package manager on Linux Mint 22.

Running Docker on AlmaLinux: Troubleshooting Firewall Issues with CFFirewall (firewall script)

Learn how to resolve Docker compatibility issues with the CFFirewall firewall script on AlmaLinux.

Strange Power Issues with Acer A515-51-58X Laptop on Linux Mint XFCE 21.3

User reports random power issues with Acer A515-51-58X laptop while using Linux Mint XFCE 21.3, occurring approximately 310 times.

Linux File Demand Every Read Operation: Understanding the Impact

This article explains the concept of every read operation in Linux files and its impact on system performance. It discusses the causes and potential solutions to reduce the number of read operations.

Understanding CPU, Memory, and GPU Usage on Multiple Ubuntu Computers

Learn how to monitor and understand CPU, memory, and GPU usage on multiple Ubuntu computers. This article offers an open-source, simple solution, including scripts, to help you identify potential hardware upgrade needs.

How to Prevent Interrupting a Bash Script Every Two Seconds

Learn how to prevent a bash script from being interrupted every two seconds. This article provides a solution to keep your script running smoothly.

Towards a Solution: Random Crashes of Specific Games with DXGI_ERROR_DEVICE_HUNG

Users report random crashes of specific games, displaying DXGI_ERROR_DEVICE_HUNG. This issue persists despite hours of research, and a solution is yet to be found. This article aims to explore potential causes and potential fixes for this problem.

Computer Keeps Waking Up From Sleep Mode - Here's How to Fix It

If you're experiencing issues with your computer waking up from sleep mode, you're not alone. This article provides a brief overview of the problem and offers solutions for users of Windows, MacOS, and Linux systems. Don't let this issue disrupt your workflow any longer - read on to learn how to fix it.

Fixing Perl Dependency Error During MySQL Installation on Rocky Linux 9.4 in Oracle VirtualBox

This article provides a solution for resolving a Perl dependency error that occurred during the installation of MySQL Community Server on Rocky Linux 9.4 in Oracle VirtualBox. The article is SEO optimized and invites the audience to read more about the tech support solution.

Bluetooth Keyboard Not Recognized as Input Device on Raspberry Pi 4B Running OSM Cinnamon Linux (version 5.15.92)

Having trouble connecting and using a Bluetooth keyboard with your Raspberry Pi 4B running OSM Cinnamon Linux (version 5.15.92)? This article provides a concise overview of the issue and invites readers to explore the tech support page for a solution.

Setting up a Malware Analysis Lab: A Step-by-Step Guide

Learn how to set up a Malware Analysis Lab using two Virtual Machines (one for Windows and one for Linux). The Windows VM runs the malware, while the Linux VM monitors network traffic.

Identifying Necessary Permissions for a Linux User (UID 0, Root)

In this tech support article, we will identify the necessary permissions for a Linux user with UID 0, often referred to as the root user. This user has superuser privileges and is responsible for several processes and system level tasks. Let's ensure the root user has the required permissions for smooth operation.

Identifying Necessary Permissions for a Linux Root User

In this tech support article, we will discuss identifying necessary permissions for a Linux root user, known as config, who has UID 0 and uses several processes to update device and system level things. Let's dive into the issue and find a solution.

Mounting Windows Folder in WSL (Debian) using fstab

Learn how to mount a Windows folder in WSL (Windows Subsystem for Linux) using fstab for automatic mounting at startup.

Fix Display Appearing Zoomed With Multi-Monitor Setup Using xrandr

Learn how to fix a display appearing zoomed in when using a multi-monitor setup with xrandr. This guide provides a quick solution to help optimize your display settings.

Solving MySQL Secure Installation Password Issue on Red Hat Enterprise Linux 8

Having trouble with the MySQL secure installation on a brand new installation of Red Hat Enterprise Linux 8 and not being asked to set a root password? This article provides a solution to this issue.

Stuck in Emergency Mode after Dell Firmware Update: A Linux Noob's Guide to Troubleshooting

If you're a Linux beginner and your Dell laptop is stuck in emergency mode after a firmware update, this guide will help you navigate the issue and provide solutions. Learn how to troubleshoot and get your system up and running again.

Enabling Jumbo Frames on a Linux Server (Ubuntu 22.04) Connected to a MikroTik Switch

In this tech support article, we will discuss how to transfer jumbo frames despite the standard MTU switch host, particularly for a network setup involving a Linux server (Ubuntu 22.04) and a MikroTik switch with ethernet-connected cameras. By increasing the MTU system, you can optimize the data transfer and improve network performance.

Optimizing Firewall Configuration with Iptables: A Comprehensive Guide

Learn how to optimize your firewall configuration using Iptables. This article covers the basics of Iptables and provides tips for configuring the INPUT, FORWARD, and OUTPUT chains, as well as handling port scans and setting up rules for specific services such as SSH and HTTP. Improve your system's security and performance with these expert recommendations.

Installing Dual-System Computer: Windows and CentOS Stream Dilemma

Learn how to install Windows and CentOS Stream on the same computer without encountering issues. Discover the benefits of having both operating systems and the steps to ensure a smooth installation process.

How to 'Glue' Browser Windows Together on Desktop for Students with ADHD?

Learn how to 'glue' browser windows together on desktop to improve focus and productivity for students with ADHD. This article provides a solution for organizing browser windows on Linux, Windows, and MacOS desktops.

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